diff --git a/app/models/sorted_country.rb b/app/models/sorted_country.rb
index 4eb5750f5..e4f2ad330 100644
--- a/app/models/sorted_country.rb
+++ b/app/models/sorted_country.rb
@@ -18,12 +18,12 @@ class SortedCountry
     def quick_list
       @quick_list ||=
         [
-          ['Estonia', 'EE'],
-          ['Finland', 'FI'],
-          ['Latvia', 'LV'],
-          ['Lithuania', 'LT'],
+          %w[Estonia' EE],
+          %w[Finland FI],
+          %w[Latvia LV],
+          %w[Lithuania LT],
           ['Russian Federation', 'RU'],
-          ['Sweden', 'SE'],
+          %w[Sweden SE],
           ['United States', 'US']
         ]
     end
diff --git a/lib/core_ext/array.rb b/lib/core_ext/array.rb
index b48249d27..ec280ab81 100644
--- a/lib/core_ext/array.rb
+++ b/lib/core_ext/array.rb
@@ -1,5 +1,5 @@
 class Array
-  def include_any? *args
+  def include_any?(*args)
     (self & args).any?
   end
 end
\ No newline at end of file
diff --git a/lib/gem_ext/builder.rb b/lib/gem_ext/builder.rb
index e5038592a..8f2945040 100644
--- a/lib/gem_ext/builder.rb
+++ b/lib/gem_ext/builder.rb
@@ -1,6 +1,6 @@
 class Builder::XmlMarkup
   def epp_head
-    self.instruct!
+    instruct!
     epp(
       'xmlns' => 'https://epp.tld.ee/schema/epp-ee-1.0.xsd',
       'xmlns:xsi' => 'http://www.w3.org/2001/XMLSchema-instance',